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Entertainment giant, Warner Bros is under fire for sending out letters threatening legal action at children who have created sites honouring the popular adventure character, Harry Potter.

Entertainment giant, Warner Bros is under fire for sending out letters threatening legal action at children who have created sites honouring the popular adventure character, Harry Potter.

Warner, which recently launched the official Harry Potter website, dispatched letters demanding that sites created by fans should be turned over to the entertainment giant.

The letters claim that both Harry Potter creator, JK Rowling and Warner, were concerned that the websites would "cause consumer confusion or dilution of the intellectual property rights."

The company, which sent the documents through its lawyers, said that if the fans did not take up its offer to reimburse their domain name registration fees it would, "put this matter into the hands of our solicitors".

One teenage fan and site creator, Heather Lawver, told USA Today, "It really got me mad.' She said that another girl, "was afraid these lawyers would come banging down her door and take away all her family's money."

A Warner spokeswoman claimed the letters were never intended to harass fans and admitted that, "The tone of the letters did not take into account that 'Harry Potter' is unique and many of the recipients were innocent, young fans."

Warner has the merchandising rights to Rowling's four best selling children's books featuring the young wizard, the first of which is to be made into a film.

In a statement, Warner officials said: "Apart from protecting its property rights, Warner has a very real responsibility to all true Harry Potter fans and to JK Rowling to ensure that they are not exposed to any inaccurate, counterfeit or even harmful content that could appear under the Harry Potter name."

The company added: "Warner has been working on a way of enabling these fan sites to run their sites complete with their original domain names."